/*
 * The MIT License (MIT)
 *
 * Copyright (c) 2014 abel533@gmail.com
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

package cn.nubia.admin.common.mybatis.page.parser;


import cn.nubia.admin.common.mybatis.page.Constant;
import cn.nubia.admin.common.mybatis.page.Dialect;
import cn.nubia.admin.common.mybatis.page.impl.MysqlParser;
import cn.nubia.admin.common.mybatis.page.impl.OracleParser;
import cn.nubia.admin.common.mybatis.page.Constant;
import cn.nubia.admin.common.mybatis.page.Dialect;
import cn.nubia.admin.common.mybatis.page.impl.MysqlParser;
import cn.nubia.admin.common.mybatis.page.impl.OracleParser;

/**
 * @author liuzh
 */
public abstract class AbstractParser implements Parser, Constant {
    //处理SQL
    public static final SqlParser sqlParser = new SqlParser();

    public static Parser newParser(Dialect dialect) {
        Parser parser;
        switch (dialect) {
            case mysql:
                parser = new MysqlParser();
                break;
            case oracle:
                parser = new OracleParser();
                break;
            default:
                parser = new MysqlParser();
        }
        return parser;
    }


    public String getCountSql(final String sql) {
        return sqlParser.getSmartCountSql(sql);
    }

    public abstract String getPageSql(String sql);


}
